mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-01 05:01:59 +01:00
3267aed504
https://bugs.llvm.org/show_bug.cgi?id=38949 It's not clear to me that we even need a one-use check in this fold. Ie, 2 independent loads might be better than a load+dependent shuffle. Note that the existing re-use tests are not affected. We actually do form a broadcast node in those tests now because there's no extra use of the insert_subvector node in those cases. But something later in isel pattern matching decides that it is not worth using a broadcast for the full load in those tests: Legalized selection DAG: %bb.0 'test_broadcast_2f64_4f64_reuse:' t7: v2f64,ch = load<(load 16 from %ir.p0)> t0, t2, undef:i64 t4: i64,ch = CopyFromReg t0, Register:i64 %1 t10: ch = store<(store 16 into %ir.p1)> t7:1, t7, t4, undef:i64 t18: v4f64 = insert_subvector undef:v4f64, t7, Constant:i64<0> t20: v4f64 = insert_subvector t18, t7, Constant:i64<2> Becomes: t7: v2f64,ch = load<(load 16 from %ir.p0)> t0, t2, undef:i64 t4: i64,ch = CopyFromReg t0, Register:i64 %1 t10: ch = store<(store 16 into %ir.p1)> t7:1, t7, t4, undef:i64 t21: v4f64 = X86ISD::SUBV_BROADCAST t7 ISEL: Starting selection on root node: t21: v4f64 = X86ISD::SUBV_BROADCAST t7 ... Created node: t27: v4f64 = INSERT_SUBREG IMPLICIT_DEF:v4f64, t7, TargetConstant:i32<7> Morphed node: t21: v4f64 = VINSERTF128rr t27, t7, TargetConstant:i8<1> llvm-svn: 342347
279 lines
10 KiB
LLVM
279 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X32
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X64
|
|
|
|
define <4 x double> @test_broadcast_2f64_4f64(<2 x double> *%p) nounwind {
|
|
; X32-LABEL: test_broadcast_2f64_4f64:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_2f64_4f64:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: retq
|
|
%1 = load <2 x double>, <2 x double> *%p
|
|
%2 = shufflevector <2 x double> %1, <2 x double> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
|
|
ret <4 x double> %2
|
|
}
|
|
|
|
define <4 x i64> @test_broadcast_2i64_4i64(<2 x i64> *%p) nounwind {
|
|
; X32-LABEL: test_broadcast_2i64_4i64:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_2i64_4i64:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: retq
|
|
%1 = load <2 x i64>, <2 x i64> *%p
|
|
%2 = shufflevector <2 x i64> %1, <2 x i64> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
|
|
ret <4 x i64> %2
|
|
}
|
|
|
|
define <8 x float> @test_broadcast_4f32_8f32(<4 x float> *%p) nounwind {
|
|
; X32-LABEL: test_broadcast_4f32_8f32:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_4f32_8f32:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: retq
|
|
%1 = load <4 x float>, <4 x float> *%p
|
|
%2 = shufflevector <4 x float> %1, <4 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
|
|
ret <8 x float> %2
|
|
}
|
|
|
|
define <8 x i32> @test_broadcast_4i32_8i32(<4 x i32> *%p) nounwind {
|
|
; X32-LABEL: test_broadcast_4i32_8i32:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_4i32_8i32:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: retq
|
|
%1 = load <4 x i32>, <4 x i32> *%p
|
|
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
|
|
ret <8 x i32> %2
|
|
}
|
|
|
|
define <16 x i16> @test_broadcast_8i16_16i16(<8 x i16> *%p) nounwind {
|
|
; X32-LABEL: test_broadcast_8i16_16i16:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_8i16_16i16:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: retq
|
|
%1 = load <8 x i16>, <8 x i16> *%p
|
|
%2 = shufflevector <8 x i16> %1, <8 x i16> undef, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
|
|
ret <16 x i16> %2
|
|
}
|
|
|
|
define <32 x i8> @test_broadcast_16i8_32i8(<16 x i8> *%p) nounwind {
|
|
; X32-LABEL: test_broadcast_16i8_32i8:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_16i8_32i8:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: retq
|
|
%1 = load <16 x i8>, <16 x i8> *%p
|
|
%2 = shufflevector <16 x i8> %1, <16 x i8> undef, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
|
|
ret <32 x i8> %2
|
|
}
|
|
|
|
; PR38949 - https://bugs.llvm.org/show_bug.cgi?id=38949
|
|
; Don't limit the transform based on extra uses of the load itself (the store is a user of the load's chain value).
|
|
|
|
define void @subv_reuse_is_ok(<4 x float>* %a, <8 x float>* %b) {
|
|
; X32-LABEL: subv_reuse_is_ok:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: vmovups %ymm0, (%eax)
|
|
; X32-NEXT: vzeroupper
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: subv_reuse_is_ok:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: vmovups %ymm0, (%rsi)
|
|
; X64-NEXT: vzeroupper
|
|
; X64-NEXT: retq
|
|
%ld = load <4 x float>, <4 x float>* %a, align 1
|
|
%splat128 = shufflevector <4 x float> %ld, <4 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
|
|
store <8 x float> %splat128, <8 x float>* %b, align 16
|
|
ret void
|
|
}
|
|
|
|
define <4 x double> @test_broadcast_2f64_4f64_reuse(<2 x double>* %p0, <2 x double>* %p1) {
|
|
; X32-LABEL: test_broadcast_2f64_4f64_reuse:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vmovaps (%ecx), %xmm1
|
|
; X32-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X32-NEXT: vmovaps %xmm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_2f64_4f64_reuse:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps (%rdi), %xmm1
|
|
; X64-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X64-NEXT: vmovaps %xmm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%1 = load <2 x double>, <2 x double>* %p0
|
|
%2 = shufflevector <2 x double> %1, <2 x double> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
|
|
store <2 x double> %1, <2 x double>* %p1
|
|
ret <4 x double> %2
|
|
}
|
|
|
|
define <4 x i64> @test_broadcast_2i64_4i64_reuse(<2 x i64>* %p0, <2 x i64>* %p1) {
|
|
; X32-LABEL: test_broadcast_2i64_4i64_reuse:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vmovaps (%ecx), %xmm1
|
|
; X32-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X32-NEXT: vmovaps %xmm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_2i64_4i64_reuse:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps (%rdi), %xmm1
|
|
; X64-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X64-NEXT: vmovaps %xmm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%1 = load <2 x i64>, <2 x i64>* %p0
|
|
%2 = shufflevector <2 x i64> %1, <2 x i64> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
|
|
store <2 x i64> %1, <2 x i64>* %p1
|
|
ret <4 x i64> %2
|
|
}
|
|
|
|
define <8 x float> @test_broadcast_4f32_8f32_reuse(<4 x float>* %p0, <4 x float>* %p1) {
|
|
; X32-LABEL: test_broadcast_4f32_8f32_reuse:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vmovaps (%ecx), %xmm1
|
|
; X32-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X32-NEXT: vmovaps %xmm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_4f32_8f32_reuse:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps (%rdi), %xmm1
|
|
; X64-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X64-NEXT: vmovaps %xmm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%1 = load <4 x float>, <4 x float>* %p0
|
|
%2 = shufflevector <4 x float> %1, <4 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
|
|
store <4 x float> %1, <4 x float>* %p1
|
|
ret <8 x float> %2
|
|
}
|
|
|
|
define <8 x i32> @test_broadcast_4i32_8i32_reuse(<4 x i32>* %p0, <4 x i32>* %p1) {
|
|
; X32-LABEL: test_broadcast_4i32_8i32_reuse:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vmovaps (%ecx), %xmm1
|
|
; X32-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X32-NEXT: vmovaps %xmm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_4i32_8i32_reuse:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps (%rdi), %xmm1
|
|
; X64-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X64-NEXT: vmovaps %xmm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%1 = load <4 x i32>, <4 x i32>* %p0
|
|
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
|
|
store <4 x i32> %1, <4 x i32>* %p1
|
|
ret <8 x i32> %2
|
|
}
|
|
|
|
define <16 x i16> @test_broadcast_8i16_16i16_reuse(<8 x i16> *%p0, <8 x i16> *%p1) nounwind {
|
|
; X32-LABEL: test_broadcast_8i16_16i16_reuse:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vmovaps (%ecx), %xmm1
|
|
; X32-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X32-NEXT: vmovaps %xmm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_8i16_16i16_reuse:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps (%rdi), %xmm1
|
|
; X64-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X64-NEXT: vmovaps %xmm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%1 = load <8 x i16>, <8 x i16> *%p0
|
|
%2 = shufflevector <8 x i16> %1, <8 x i16> undef, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
|
|
store <8 x i16> %1, <8 x i16>* %p1
|
|
ret <16 x i16> %2
|
|
}
|
|
|
|
define <32 x i8> @test_broadcast_16i8_32i8_reuse(<16 x i8> *%p0, <16 x i8> *%p1) nounwind {
|
|
; X32-LABEL: test_broadcast_16i8_32i8_reuse:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vmovaps (%ecx), %xmm1
|
|
; X32-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X32-NEXT: vmovaps %xmm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_broadcast_16i8_32i8_reuse:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps (%rdi), %xmm1
|
|
; X64-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm0
|
|
; X64-NEXT: vmovaps %xmm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%1 = load <16 x i8>, <16 x i8> *%p0
|
|
%2 = shufflevector <16 x i8> %1, <16 x i8> undef, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
|
|
store <16 x i8> %1, <16 x i8>* %p1
|
|
ret <32 x i8> %2
|
|
}
|
|
|
|
define <8 x i32> @PR29088(<4 x i32>* %p0, <8 x float>* %p1) {
|
|
; X32-LABEL: PR29088:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: vxorps %xmm1, %xmm1, %xmm1
|
|
; X32-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X32-NEXT: vmovaps %ymm1, (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: PR29088:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vxorps %xmm1, %xmm1, %xmm1
|
|
; X64-NEXT: vbroadcastf128 {{.*#+}} ymm0 = mem[0,1,0,1]
|
|
; X64-NEXT: vmovaps %ymm1, (%rsi)
|
|
; X64-NEXT: retq
|
|
%ld = load <4 x i32>, <4 x i32>* %p0
|
|
store <8 x float> zeroinitializer, <8 x float>* %p1
|
|
%shuf = shufflevector <4 x i32> %ld, <4 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
|
|
ret <8 x i32> %shuf
|
|
}
|